Experiments use random assignment to avoid which of the following?
A) Random selection
B) Selection effects
C) Carryover effects
D) Large effect sizes
E) Demand characteristics

Question

Quizplus · Accepted Answer

Random assignment helps avoid selection effects, which are biases that might arise if participants are allowed to choose their own condition or if the experimenter chooses which participants go into which condition based on pre-existing characteristics.

Experiments Use Random Assignment to Avoid Which of the Following